Home / 1,267,805.42-1,901,306.25-414,679.80

Finding the Fourth Proportional to 1,267,805.42, 1,901,306.25 and 414,679.80

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Solution

The fourth proportional to 1,267,805.42, 1,901,306.25 and 414,679.80 is: 621,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,805.42 : 1,901,306.25 = 414,679.80 : x
  2. Step 2: Convert to fraction form
    1,267,805.42/1,901,306.25 = 414,679.80/x
  3. Step 3: Cross multiply
    1,267,805.42x = 1,901,306.25 × 414,679.80
  4. Step 4: Simplify right side
    1,267,805.42x = 788,433,295,488.75
  5. Step 5: Solve for x
    x = 788,433,295,488.75/1,267,805.42
  6. Step 6: Final answer
    x = 621,888.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.